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Downgrading From Intel Xeon v3 Series CPUs
Downgrading From Intel Xeon v3 Series CPUs
This downgrade procedure requires server downtime.
Note
This section contains the following topics:
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Downgrade Scenario 1: UCSM-Managed Server
This scenario assumes the following conditions:
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Use the following procedure to downgrade to earlier supported CPUs, memory risers, and DIMMs.
Decommission and then power off the server.
Step 1
Replace the Intel Xeon v3 Series CPUs with the earlier supported CPUs.
Step 2
Use the CPU replacement procedures in the Installation and Service guide for your server:
C-Series Installation and Upgrade
Replace the DDR4 memory risers and DIMMs with the earlier supported DDR3 memory risers and
Step 3
DIMMs.
Use the memory riser and DIMM replacement procedures in the Installation and Service guide for your
server:
Power on the server.
Step 4
Wait for Cisco UCS Manager to automatically discover and associate the server.
Step 5
Note
Optional: Downgrade your server Cisco IMC.
Step 6
Use the Cisco IMC firmware management procedures in the GUI or CLI
Controller Configuration Guide
Optional: Downgrade your server BIOS.
Step 7
Cisco UCS C-Series Servers Upgrade Guide for Intel Xeon v3 Series CPUs
8
Downgrade Scenario 1: UCSM-Managed Server, page 8
Downgrade Scenario 2: Standalone Server, page 9
The server is managed by Cisco UCS Manager.
The Cisco UCS Manager software is already at the minimum version or later (see
Software and Firmware Requirements, page
The server is already at the BIOS/Cisco IMC minimum version or later.
The C-Series server is using the Intel Xeon v3 Series CPUs.
The C-Series server is using DDR4 memory risers and DIMMs.
Cisco UCS C-Series Installation and Upgrade
The Cisco IMC bundle, including the server Cisco IMC and BIOS, is backward-compatible with
earlier supported CPUs, so the following firmware downgrade steps are optional.
2).
Guides.
Guides.
for your release.
Minimum
Cisco UCS
Integrated Management